209980330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{15227}}^1$

素因数の和:15438

約数の個数: 32

約数和(自身を含む): 434180736

約数和(自身を除く): 224200406

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 197, 394, 985, 1379, 1970, 2758, 6895, 13790, 15227, 30454, 76135, 106589, 152270, 213178, 532945, 1065890, 2999719, 5999438, 14998595, 20998033, 29997190, 41996066, 104990165, 209980330]

約数ペア:

[(1, 209980330), (2, 104990165), (5, 41996066), (7, 29997190), (10, 20998033), (14, 14998595), (35, 5999438), (70, 2999719), (197, 1065890), (394, 532945), (985, 213178), (1379, 152270), (1970, 106589), (2758, 76135), (6895, 30454), (13790, 15227)]